import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;

class PersonSortable2
{
	private String name;
	private int age;
	public PersonSortable2(String name, int age) {
		super();
		this.name = name;
		this.age = age;
	}
	@Override
	public String toString() {
		return name + "-" + age;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	


} 

class NameComparator implements Comparator<PersonSortable2>
{

	@Override
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		// TODO Auto-generated method stub
	return new String (o1.getName()).compareTo(o2.getName());
	}

	
}
class AgeComparator implements Comparator<PersonSortable2>
{

	@Override
	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		// TODO Auto-generated method stub
		return o1.getAge()-o2.getAge();
	}
	
}

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		PersonSortable2[] person=new PersonSortable2[n];
		for(int i=0;i<n;i++)
		{
			person[i]=new PersonSortable2(sc.next(),sc.nextInt());
		}
		Arrays.sort(person,new NameComparator());
		System.out.println("NameComparator:sort");
		for(int i=0;i<n;i++)
		{
			System.out.println(person[i].toString());
		}
		Arrays.sort(person,new AgeComparator());
		System.out.println("AgeComparator:sort");
		for(int i=0;i<n;i++)
		{
			System.out.println(person[i].toString());
		}
		System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
		System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));
	}

}
